Home / 48,929.40-73,199.70-42,427.80

Finding the Fourth Proportional to 48,929.40, 73,199.70 and 42,427.80

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Solution

The fourth proportional to 48,929.40, 73,199.70 and 42,427.80 is: 63,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.40 : 73,199.70 = 42,427.80 : x
  2. Step 2: Convert to fraction form
    48,929.40/73,199.70 = 42,427.80/x
  3. Step 3: Cross multiply
    48,929.40x = 73,199.70 × 42,427.80
  4. Step 4: Simplify right side
    48,929.40x = 3,105,702,231.66
  5. Step 5: Solve for x
    x = 3,105,702,231.66/48,929.40
  6. Step 6: Final answer
    x = 63,473.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.